JP2004090557A - Crusher - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a crusher capable of removing debris accumulated in front of the wheel of the inside peripheral surface of the frame, or in front of the rotor. <P>SOLUTION: In the crusher, the end 42 on the outer diameter side of a chipper blade 41 is elongated in the outer-diameter direction to the position close to the inside peripheral surface of a frame 11 beyond the outside peripheral surface of a wheel 29. When a rotary shaft 12 revolves in the crusher 2, the end 42 of the blade 41 can remove debris accumulated in the portion s2 in front of the wheel 29 of the inside peripheral surface of the frame 11, or in front of a rotor 13. The crusher 2 can thereby inhibit troubles due to accumulation of debris in the portion s2 in front of the wheel 29. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
TECHNICAL FIELD The present invention relates to a crusher for crushing woody industrial wastes, such as trees, pruned branches, and house demolition, into chips (sawdust).
[0002]
[Prior art]
The crusher crushes workpieces such as discarded trees, pruned branches, and woody industrial waste into chips, and reduces the volume of trees, pruned branches, and woody industrial waste. The crushed material obtained by crushing discarded trees and pruned branches into chips can be used for recycling for composting and reduction to soil, and for moisture control of livestock compost.
[0003]
FIG. 4 is a side view showing the entire self-propelled crusher 1. In FIG. 4, 2 is a crusher, 3 is a self-propelled table on which the crusher 2 is mounted, 4 is a drive device (for example, an engine), and 5 is an operation unit for operating the crusher 2. FIG. 5 is a side sectional view of the crusher 2.
[0004]
As shown in FIG. 5, the crusher 2 has a substantially cylindrical frame 11 attached to the self-propelled table 3, a rotating shaft 12 inserted in the center of the frame 11 in the axial direction, and the rotating shaft 12 integrally. A rotor 13 that rotates and crushes a workpiece (for example, a tree) input from an input portion of the frame 11;
[0005]
As shown in FIG. 6, the frame 11 includes a charging section 15 for charging a workpiece on the front surface 14, and a discharge section 17 for discharging crushed crushed material at an upper rear side of the peripheral surface 16. As shown in FIG. 5, the loading section 15 has a loading cradle 18 for supporting the workpiece, a feed mechanism 19 for feeding the workpiece to the loading section 15, and a loading mechanism 15 for assisting the loading operation. A popper 20 having a reduced diameter is attached. The discharge section 17 is provided with a discharge shooter 21 that can adjust the discharge direction and the discharge angle of the crushed material. As shown in FIG. 7, the frame 11 connects the upper part 23 and the lower part 24 via a hinge 22 provided on the outer peripheral part, so that the upper part 23 can be opened.
[0006]
As shown in FIG. 5, the rotating shaft 12 is rotatably supported by bearings 26 and 27 attached to the center of the front surface 14 and the rear surface 25 of the frame 11. It is supposed to.
[0007]
As shown in FIG. 8, the rotor 13 is fixed to the rotating shaft 12 and rotates integrally with the rotating shaft 12. The rotor 13 has a thick disk-shaped wheel 29 for mounting a chipper blade 28 for cutting a workpiece and increasing inertia in the axial direction from the loading portion 15 side (front surface 14 side) of the frame 11 in order. A shredder blade 30 for crushing the workpiece and a blower 31 as a discharging means for sucking the crushed workpiece and discharging it to the outer peripheral side are provided. Between the wheel 29 and the blower 31, a communication shaft 32 that connects the wheel 29 and the blower 31 in the axial direction and that has a retaining member attached to at least one end is attached.
[0008]
As shown in FIG. 6, the wheel 29 is a disk-shaped member having a diameter slightly smaller than the inner diameter of the frame 11. Two portions are formed along the diameter with the portion interposed. The chipper blade 28 is attached to the front surface of the wheel 29 along the side edge of each elongated hole 33 on the rear side in the rotation direction. The wheel 29 rotates in accordance with the rotation of the rotating shaft 12, and the workpiece is roughly crushed by the chipper blade 28. A scraper 34 is attached to the outer peripheral surface of the wheel 29.
[0009]
The shredder blade 30 is formed by stacking a plurality of blades at predetermined intervals, and has one end rotatably attached to a communication shaft 32 that connects the wheel 29 and the blower 31. With this shredder blade 30, the coarse crushed material crushed by the chipper blade 28 can be further finely crushed into chips.
[0010]
The blower 31 is provided with a plurality of blades 35 so as to suck the crushed material from the front in the axial direction and discharge the crushed material in the outer diameter direction with the rotation of the rotary shaft 12. The blower 31 draws air in the frame 11 with the rotation of the rotating shaft 12, and receives the air from the slot 15 provided in the wheel 29 of the rotor 13 or the inside of the frame 11 from the input portion 15 provided on the front surface of the frame 11. The air flows through the gap s1 between the peripheral surface and the outer peripheral surface of the wheel 29, flows from the front side to the rear side of the wheel 29, and is exhausted to the outside through the discharge part 17 and the discharge shooter 21 of the frame 11. Form a flow.
[0011]
The crushing machine 2 roughly crushes the workpiece that has been loaded into the loading section 15 on the front surface of the frame 11 with the chipper blade 28. Then, the coarsely crushed material crushed by the chipper blade 28 is sucked from the long hole 33 of the wheel 29 by the suction force of the blower 31 and sent to the rear of the wheel 29, and finely crushed into chips by the shredder blade 30. The crushed material finely crushed by the shredder blade 30 is sucked by the blower 31 and discharged to the outside through the discharge portion 17 of the frame 11 and the discharge shooter 21.
[0012]
The coarsely crushed material crushed by the chipper blade 28 may be clogged in the gap s1 (see FIG. 5) between the inner peripheral surface of the frame 11 and the outer peripheral surface of the wheel 29 due to the suction force of the blower 31. The coarse crushed material clogged in the gap s1 between the peripheral surface and the outer peripheral surface of the wheel 29 can be removed by the scraper 34 attached to the outer peripheral surface of the wheel 29.
[0013]
Note that the above-described crusher is an example of the one that the applicant is currently carrying out, but there is no prior art document showing the structure. Prior art documents indicating the general technical level of the same type of crusher include, for example, Patent Documents 1 and 2 below.
[0014]
[Patent Document 1] JP-A-2001-276641 [Patent Document 2] JP-A-09-193107
[Problems to be solved by the invention]
In the crusher 2 described above, as shown in FIG. 5, the coarse crushed material crushed by the chipper blade 28 may accumulate in a portion s2 on the inner peripheral surface of the frame 11 on the front side of the wheel 29 (the front side of the rotor 13).
[0016]
The coarse crushed material accumulated in such a portion s2 cannot be removed by the scraper 34. The coarsely crushed material accumulated in the portion s2 on the front side of the wheel 29 on the inner peripheral surface of the frame 11 gradually becomes a large lump, and the portion between the inner peripheral surface of the frame 11 and the Or the like, or may cover the entire circumference of the gap s1 between the inner peripheral surface of the frame 11 and the outer peripheral surface of the wheel 29. In particular, when crushing a fibrous workpiece such as a bamboo material, there is a problem in that the coarsely crushed materials are entangled with each other to form a large lump. As described above, when the coarse crushed material accumulates in the portion s2 on the inner peripheral surface of the frame 11 on the front side of the wheel 29, the rotational resistance of the rotor 13 increases, the torque required for the rotation of the rotor 13 increases, The number of revolutions may decrease. Moreover, the flow of air in the frame 11 may be deteriorated, and the performance of the blower 31 may be reduced.
[0017]
When such a problem occurs, in the crusher 2 described above, the upper portion 23 of the frame 11 is opened to remove the crushed material that has accumulated in the front portion s2 of the rotor 13 on the inner peripheral surface of the frame 11; Can be solved, but it is a troublesome operation for the user.
[0018]
Such a problem may occur not only in the crusher 2 described above, but also in a crusher of the same type including a substantially cylindrical frame and a rotor that crushes a workpiece input from an input portion of the frame. is there.
[0019]
Therefore, an object of the present invention is to provide a crusher capable of removing crushed material accumulated on the front side of a wheel (front side of a rotor) on the inner peripheral surface of a frame.
[0020]
[Means for Solving the Problems]
The crushing machine according to the present invention has a substantially cylindrical frame having an input portion for inputting a workpiece to be crushed on a front surface, and a discharge portion for discharging crushed crushed material on a peripheral surface or a rear surface, and a frame for the frame. A rotary shaft inserted in the axial direction at the center, and a disk-shaped wheel that is integrally rotated with the rotary shaft and has a blade attached to the front surface of a blade that crushes the workpiece input from the input portion of the frame. A crusher having a rotor and a discharge means for discharging crushed material crushed by the rotor from a discharge portion of a frame, wherein the rotor removes crushed material accumulated on a front side of a wheel on an inner peripheral surface of a frame. It is characterized by having a section.
[0021]
According to this crusher, the crushed material that has accumulated on the front side of the wheel on the inner peripheral surface of the frame can be removed by the removing unit that rotates integrally with the rotating shaft. It is possible to prevent a problem caused by accumulation on the front side.
[0022]
As the removing unit, for example, a scraper extending to a position near the inner peripheral surface of the frame beyond the outer periphery of the wheel may be provided on the front surface of the wheel. For example, the blade attached to the front surface of the wheel may have a shape extending in the outer diameter direction to a position beyond the outer periphery of the wheel and close to the inner peripheral surface of the frame, or the outer diameter end of the blade attached to the front surface of the wheel. Then, it is preferable to attach a scraper extending to a position near the inner peripheral surface of the frame beyond the outer periphery of the wheel.
[0023]
Also, for example, a scraper extending axially forward to a position near the front surface of the frame beyond the front surface of the wheel may be provided on the outer peripheral portion of the wheel.
[0024]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, a crusher according to an embodiment of the present invention will be described with reference to the drawings. In addition, the same code | symbol is attached | subjected to the member and site | part which have the same structure and action as the above-mentioned crusher 2, and the overlapping description is abbreviate | omitted.
[0025]
The crusher 2 according to this embodiment has the same basic configuration as the crusher 2 described above, as shown in FIG.
[0026]
The chipper blade 41 of the crusher 2 has a shape in which the outer diameter side end portion 42 extends in the outer diameter direction to a position beyond the outer periphery of the wheel 29 and close to the inner peripheral surface of the frame 11. Specifically, this chipper blade 41 has blades 43 and 44 on both sides, and when one of the blades 43 is worn by use, the chipper blade 41 is rotated by 180 ° and attached, and the opposite blade 44 is used. I can do it. For this reason, the outer diameter side end portion 42 of the chipper blade 41 has a shape extending in the outer diameter direction to a position close to the inner peripheral surface of the frame 11, and when the chipper blade 41 is rotated by 180 ° for mounting. The tipper blade 42 has a point-symmetrical shape with its corners cut off so that both ends of the tipper blade 42 do not interfere with the rotating shaft 12.
[0027]
When the rotating shaft 12 rotates, the crusher 2 removes the crushed material accumulated in a portion s2 on the inner peripheral surface of the frame 11 on the front side (the front side of the rotor 13) of the wheel 29 by the outer diameter end 42 of the chipper blade 41. Can be removed. Thereby, it is possible to prevent the crushed material from accumulating in the portion s <b> 2 on the inner peripheral surface of the frame 11 on the front side of the wheel 29, thereby preventing a problem.
[0028]
As described above, the crusher according to the embodiment of the present invention has been described. However, as shown in FIG. 2, without changing the shape of the chipper blade 28, Alternatively, a scraper 45 extending to a position close to the inner peripheral surface of the frame 11 may be attached.
[0029]
Further, the scraper 45 extending to a position close to the inner peripheral surface of the frame 11 beyond the outer periphery of the wheel 29 is not limited to the outer diameter side end of the chipper blade 28, but may be any position on the front surface of the wheel 29. It may be attached to.
[0030]
As shown in FIG. 3, a scraper 47 whose front end 46 extends axially forward to a position beyond the front surface of the wheel 29 and close to the front surface of the frame 11 is mounted on the outer peripheral portion of the wheel 29. You may. Such a scraper 47 can be attached to an arbitrary position on the outer peripheral surface of the wheel 29. A first scraper extending to a position close to the inner peripheral surface of the frame 11 beyond the outer periphery of the wheel 29; and an axial direction extending to a position where the front end extends beyond the front surface of the wheel and approaches the front surface of the frame. Both the second scrapers extending forward may be attached. Further, the scraper may be provided with a blade on the front side in the rotation direction so that the coarsely crushed material can be cut and removed.
[0031]
As described above, the crusher according to the embodiment of the present invention has been described. However, the present invention is not limited to the above embodiment, and a rotor that crushes a workpiece input from an input portion of the frame into a substantially cylindrical frame. It can also be applied to the same type of crusher provided. Further, in the above-described embodiment, the discharge portion of the frame is provided on the peripheral surface of the frame. However, the discharge portion of the frame may be provided on the rear surface of the frame. Further, as the removing portion, for example, a projecting scraper extending to a portion of the inner peripheral surface of the frame on the front side of the wheel (front side of the rotor) may be provided on the front surface of the wheel (front surface of the rotor).
[0032]
【The invention's effect】
The crushing machine according to the present invention includes a rotor having a disk-shaped wheel which is integrally rotated with a rotating shaft and has a blade mounted on a front surface thereof for crushing a workpiece input from an input portion of the frame, and a frame inner circumference. Since the removal unit that removes the crushed material accumulated on the front side of the wheel on the surface is provided, it is possible to remove the crushed material accumulated on the front side of the wheel on the inner peripheral surface of the frame by the removal unit that rotates integrally with the rotating shaft. Thus, it is possible to prevent the crushed material from accumulating at the front side of the wheel on the inner peripheral surface of the frame, thereby causing a problem.
[Brief description of the drawings]
FIG. 1 is a front sectional view showing a rotor of a crusher according to an embodiment of the present invention.
FIG. 2 is a front sectional view showing a rotor of a crusher according to another embodiment of the present invention.
FIG. 3 is a plan sectional view showing a rotor of a crusher according to another embodiment of the present invention.
FIG. 4 is a side view showing a self-propelled crusher.
FIG. 5 is a side sectional view of the crusher.
FIG. 6 is a front view of the crusher.
FIG. 7 is a front view of the crusher showing a state where an upper portion of a frame of the crusher is opened.
FIG. 8 is a side view showing a rotor of the crusher.
[Explanation of symbols]
2 Crusher 11 Frame 12 Rotary shaft 13 Rotor 15 Input unit 17 Discharge unit 28 Chipper blade 29 Wheel 30 Shredder blade 31 Blower 33 Slot 34 Scraper 41 Chipper blade 42 Outer diameter side end 45 Scraper 47 Scraper s2 Front part of rotor

Claims (5)

A substantially cylindrical frame having an input section for inputting a workpiece to be crushed on the front surface and having a discharge section for discharging the crushed crushed material on the peripheral surface or the rear surface,
A rotating shaft inserted through the center of the frame in the axial direction,
A rotor equipped with a disk-shaped wheel that rotates integrally with the rotating shaft, and has a blade attached to the front surface for crushing a workpiece input from an input portion of a frame,
A crusher having discharge means for discharging the crushed material crushed by the rotor from a discharge portion of a frame,
A crushing machine, wherein the rotor is provided with a removing section for removing crushed material accumulated on the inner peripheral surface of the frame in front of the wheel. The crusher according to claim 1, wherein a scraper is provided on a front surface of the wheel, the scraper extending to a position near the inner peripheral surface of the frame beyond the outer periphery of the wheel. The crusher according to claim 1, wherein, as the removing portion, the blade has a shape extending in an outer radial direction to a position close to an inner peripheral surface of a frame beyond an outer periphery of a wheel. The crusher according to claim 1, wherein a scraper extending from the outer diameter end of the blade to a position close to an inner peripheral surface of the frame beyond the outer periphery of the wheel is attached as the removing unit. . The crusher according to any one of claims 1 to 4, wherein a scraper is provided on an outer peripheral portion of the wheel, the scraper extending axially forward to a position near the front surface of the frame beyond the front surface of the wheel. .

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